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Euler Problem 79

Euler Problem 79 asks: 'A common security method used for online banking is to ask the user 'for three random characters from a passcode. For example, if the 'passcode was 531278, they may asked for the 2nd, 3rd, and 5th 'characters; the expected reply would be: 317. ' 'The text file, keylog.txt, contains fifty successful login attempts. ' 'Given that the three characters [...] Read More...

Read the complete post at http://www.dailydoseofexcel.com/archives/2009/02/15/euler-problem-79/


Posted Feb 15 2009, 12:13 PM by Daily Dose of Excel
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